Waste draining pipe, offlet or drain pipe should be connected to the main pipe;each pipe should connect two valves with the most possible short valve-to-valve pipe length.
排污、放应分别连接各自的总上,应串接两个阀门,两阀门间的段应尽量缩短。
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He brought out the forgotten water pipe and put a kettle of mercury to boil next to the body, whichlittle by little was filling with blue bubbles.
出忘带的管, 在尸体边放了一壶烧开, 地冒出蓝色的泡泡。
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